Solar power generating apparatus

Abstract

There is disclosed a photovoltaic power generation device that includes solar cell modules installed for solar cell panels, respectively, with forming a height difference or a gap between each two of the solar cell panels, to change an arrangement angle and direction of the solar cell modules for each season period according to variations of the sun altitude and azimuth.

1 . A photovoltaic power generation device comprising:
 a supporting frame provided to make positions of a plurality of solar cell modules be adjustable;   a first supporting unit provided under the supporting frame to dispersedly support a load of the supporting frame;   a hinge connection unit coupled to a lower portion of the first supporting unit to relatively rotate the first supporting unit in a vertical direction;   a horizontal driving unit provided in a lower portion of the hinge connection unit, the horizontal driving unit comprising a first driving motor configured to rotate the hinge connection unit from the ground in a horizontal direction; and   a vertical driving unit comprising one end coupled to a lateral surface of the hinge connection unit and the other end coupled to a central portion of the first supporting unit.   
     
     
         2 . The photovoltaic power generation device according to  claim 1 , wherein the vertical driving unit comprises,
 a rotary member comprising one end coupled to the second driving motor to rotate together with the second driving motor, with a male screw formed in an outer circumferential surface thereof, formed in a longitudinal round bar shape;   a transfer member comprising one end rotatably coupled the first supporting unit, with a female screw engaging with the rotary member to reciprocate forward and backward along the rotation of the rotary member;   a guide member comprising a lower portion of an outer circumferential surface thereof rotatably coupled to a predetermined portion of the hinge connection unit, to guide the reciprocation of the transfer member.   
     
     
         3 . The photovoltaic power generation device according to  claim 2 , wherein the transfer member comprises at least one first bush coupled to an outer circumferential surface of the other end thereof to contact with an inner circumferential surface of the guide member to prevent a frictional force and noise. 
     
     
         4 . The photovoltaic power generation device according to  claim 3 , wherein the guide member comprises,
 a second bush provided in an inner circumferential surface of one end thereof to face the first bush during the reciprocation of the transfer member to guide a moving direction of the transfer member and to restrict separation of the transfer member.   
     
     
         5 . The photovoltaic power generation device according to  claim 2 , further comprising:
 a decelerator disposed between the second driving motor and the rotary member to control a rotational force of the rotary member.   
     
     
         6 . The photovoltaic power generation device according to  claim 1 , further comprising:
 a control unit configured to control the first driving motor and the second driving motor to adjust an azimuth and an altitude of the solar cell modules.   
     
     
         7 . The photovoltaic power generation device according to  claim 6 , wherein the control unit detects weather information provided outside or from a weather information detecting sensor provided therein and controls the first driving motor and the second driving motor based on the detected weather information. 
     
     
         8 . The photovoltaic power generation device according to  claim 6 , wherein the control unit comprises,
 a GPS module configured to receive a GPS signal from a satellite;   a communication module configured to group the plurality of the solar cell modules as one group by using RS 485 communication and to transmit sensing signal of the solar cell modules;   a weather module configured to receive the weather information acquired by the communication module or the GPS module and to analyze the weather information; and   a control module configured to control the first driving motor and the second driving motor based on the information transmitted from the weather module.   
     
     
         9 . The photovoltaic power generation device according to  claim 8 , wherein the weather module determines whether the information transmitted from the GPS module or the communication module is corresponding to a yellow dust mode, a typhoon mode, a snow mode or a seasonal wind mode and transmits the result of the determination to the control module. 
     
     
         10 . The photovoltaic power generation device according to  claim 8 , wherein the GPS module acquires information on a position of the solar cell modules and information on the current time and weather information on the temperature, the humidity and winds and transmits the acquired information to the control module via the weather module. 
     
     
         11 . The photovoltaic power generation device according to  claim 1 , wherein the solar cell module comprises a plurality of solar cell panels arranged thereon, and
 a fixing bracket fixing the solar cell panels to the supporting frame to make the height of one solar cell panel be different from the height of another neighboring solar cell panel.   
     
     
         12 . The photovoltaic power generation device according to  claim 11 , wherein the solar cell panels are arranged on the solar cell modules, with the height of one solar cell panel being different from the height of another solar cell arranged next to one solar cell panel in right/left and up/down directions. 
     
     
         13 . The photovoltaic power generation device according to  claim 11 , wherein the solar cell panels are arranged to have the same height with the other solar cell panels arranged on the solar cell modules in zigzags. 
     
     
         14 . The photovoltaic power generation device according to  claim 11 , wherein the solar cell panels are arranged to form a gap between one solar cell panel and another solar cell panel arranged next to one solar cell panel in right/left and up/down directions on the solar cell modules. 
     
     
         15 . The photovoltaic power generation device according to  claim 1 , further comprising:
 a lightening protection unit arranged in a predetermined position that is higher than a top surface of the solar cell module to prevent a lightening from damaging to the solar cell modules.   
     
     
         16 . The photovoltaic power generation device according to  claim 15 , wherein the lightening protection unit is arranged in a predetermined portion of the solar cell module that is the highest portion, and
 the lightening protection unit comprises,   a plurality of coupling members coupled to an outer portion of the supporting frame;   a plurality of insulator members coupled to outer portions of the coupling members, respectively, the insulator members formed of an insulative material;   an extended member extended to have a larger height than the top surface of the solar cell module; and   a lightening inducement member formed of a metallic material inducing a lightening, the lightening inducement member connecting upper ends of the extended members with each other.   
     
     
         17 . The photovoltaic power generation device according to  claim 16 , wherein the insulator member performs insulation between the coupling member and a lower end of the extended member and the insulation member comprises a corrugation configured to increase a surface distance of an outer circumferential surface and to prevent an insulation strength from deteriorated by an contaminated surface. 
     
     
         18 . The photovoltaic power generation device according to  claim 2 , further comprising:
 a control unit configured to control the first driving motor and the second driving motor to adjust an azimuth and an altitude of the solar cell modules.   
     
     
         19 . The photovoltaic power generation device according to  claim 3 , further comprising:
 a control unit configured to control the first driving motor and the second driving motor to adjust an azimuth and an altitude of the solar cell modules.   
     
     
         20 . The photovoltaic power generation device according to  claim 4 , further comprising:
 a control unit configured to control the first driving motor and the second driving motor to adjust an azimuth and an altitude of the solar cell modules.   
     
     
         21 . The photovoltaic power generation device according to  claim 5 , further comprising:
 a control unit configured to control the first driving motor and the second driving motor to adjust an azimuth and an altitude of the solar cell modules.